Silver-mediated Room Temperature Reactions for the Synthesis of N-α-Ketoacyl Sulfoximines and N-α,β-Unsaturated Acyl Sulfoximines

R Gupta, R Ahmed, Z Akhter, M Kumar, PP Singh - ACS omega, 2023 - ACS Publications
Here, we report a silver-mediated coupling of acetylenes with sulfoximines to synthesize N-α-
ketoacyl sulfoximines and N-α, β-unsaturated acyl sulfoximines. The reactions are …

CuI‐Mediated α‐Ketoacylation of Sulfoximines under Solvent‐Free Conditions

Y Zou, Z Peng, W Dong, D An - European Journal of Organic …, 2015 - Wiley Online Library
The first preparation of α‐ketoacyl sulfoximines under solvent‐free conditions using aryl
ethanones and NH‐sulfoximines has been discovered and a series of desired 2‐oxo‐2 …

Visible-Light-Triggered Synthesis of N-α-Ketoacylated Sulfoximines by Denitrogenative and Oxidative Functionalization of Vinyl Azides

S Sarkar, S Pal, S Santra, GV Zyryanov… - The Journal of Organic …, 2024 - ACS Publications
We have introduced a sulfoximidation reaction initiated by visible light between α-phenyl
vinyl azides and NH-sulfoximines. The cost-effective and readily accessible hypervalent …

One‐Step Synthesis of Methanesulfonyloxymethyl Ketones via Gold‐Catalyzed Oxidation of Terminal Alkynes: A Combination of Ligand and Counter Anion Enables …

G Wu, R Zheng, J Nelson… - Advanced Synthesis & …, 2014 - Wiley Online Library
Abstract By using Mor‐DalPhos as the P, N‐bidentate ligand and mesylate as the counter
ion, the resulting gold (I) complex catalyzes efficient oxidative transformations of various …

Selective synthesis of seven-and eight-membered ring sultams via two tandem reaction protocols from one starting material

M Wang, Y Wang, X Qi, G Xia, K Tong, J Tu… - Organic …, 2012 - ACS Publications
From one starting material, two tandem reaction protocols to synthesize seven-and eight-
membered ring sultams were developed. One protocol employs intermolecular epoxide ring …

Silver/NBS-catalyzed synthesis of α-alkylated aryl ketones from internal alkynes and benzyl alcohols via ether intermediates

S Chun, YK Chung - Organic letters, 2018 - ACS Publications
The silver hexafluoroantimonate/N-bromosuccinimide (NBS)-catalyzed synthesis of α-
alkylated aryl ketones with a tertiary carbon center from internal alkynes and benzyl alcohols …

Regiospecific Cleavage of S–N Bonds in Sulfonyl Azides: Sulfonyl Donors

Z Zhang, S Wang, Y Zhang… - The Journal of organic …, 2019 - ACS Publications
Sulfonyl azides have been widely used as sulfonamido, diazo, and azido donors, as well as
all-nitrogen 1, 3-dipoles donors in synthetic chemistry. Here, the sulfonyl azides were used …

Synthesis of Various α‐Substituted Alkenyl Sulfoxides from Alkynes and β‐Sulfinyl Esters

AV Kalyanakrishnan, A Joshy, AK Arya… - …, 2021 - Wiley Online Library
Methods to synthesize α‐substituted alkenyl sulfoxides are highly useful as they are widely
used to construct diverse molecules of high synthetic importance. We have described a …

Functionalization of alkynes and alkenes using a cascade reaction approach: synthesis of β-keto sulfones under metal-free conditions

M Kumar, R Ahmed, M Singh, S Sharma… - The Journal of …, 2019 - ACS Publications
Here, we are reporting a multicomponent cascade reaction approach for the synthesis of β-
keto sulfones by exploiting differential reactivity pattern of substrates under open …

Gold-Catalyzed Intermolecular Alkyne Insertion into the N–S Bond in Sulfenamides

T Asoh, H Tashiro, M Terada, I Nakamura - Organic Letters, 2022 - ACS Publications
Gold-catalyzed reactions between sulfenamides and terminal alkynes proceeded via cis-
insertion of alkynes into the N–S bond in sulfenamides, affording the corresponding β …